Multipath Sparse Coding Using Hierarchical Matching Pursuit.
Liefeng BoXiaofeng RenDieter FoxPublished in: CVPR (2013)
Keyphrases
- sparse coding
- multipath
- matching pursuit
- linear combination
- basis functions
- dictionary learning
- image coding
- unsupervised learning
- sparse representation
- natural images
- end to end
- image classification
- discriminative power
- generative model
- image representation
- routing algorithm
- discriminative dictionary
- feature space
- image patches
- sparse approximation
- visual words
- high dimensional
- sensor networks
- bag of words
- machine learning
- expectation maximization
- higher order
- object recognition